codeant-ai-for-open-source[bot] commented on PR #38897:
URL: https://github.com/apache/superset/pull/38897#issuecomment-4139229931
## **Sequence Diagram**
This diagram shows how the SQL Lab table tree now handles node toggling when
a search term is active, ensuring children appear on the first click for opened
nodes and collapsed schemas remain closed across async data reloads.
```mermaid
sequenceDiagram
participant User
participant TableExploreTree
participant Tree
participant Backend
User->>TableExploreTree: Type search term
TableExploreTree->>Tree: Apply search filter and auto expand matches
User->>TableExploreTree: Click schema or table node
TableExploreTree->>Tree: Read current node open state
TableExploreTree->>TableExploreTree: Update manually opened map
alt Node is opening
TableExploreTree->>Backend: Fetch children for node
Backend-->>TableExploreTree: Return children data
TableExploreTree->>Tree: Update tree data
TableExploreTree->>Tree: Reopen all manually opened nodes
else Node is closing
TableExploreTree->>TableExploreTree: Mark node as closed in map
TableExploreTree->>Tree: Keep node collapsed after data changes
end
```
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